[INFO] fetching crate polynomial 0.2.6...
[INFO] testing polynomial-0.2.6 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate polynomial 0.2.6 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate polynomial 0.2.6
[INFO] finished tweaking crates.io crate polynomial 0.2.6
[INFO] tweaked toml for crates.io crate polynomial 0.2.6 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate polynomial 0.2.6 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 710fa46f5d586d98d39f772682bf232fa4df5bfec328b137e8fde867ea65c741
[INFO] running `Command { std: "docker" "start" "-a" "710fa46f5d586d98d39f772682bf232fa4df5bfec328b137e8fde867ea65c741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "710fa46f5d586d98d39f772682bf232fa4df5bfec328b137e8fde867ea65c741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "710fa46f5d586d98d39f772682bf232fa4df5bfec328b137e8fde867ea65c741", kill_on_drop: false }`
[INFO] [stdout] 710fa46f5d586d98d39f772682bf232fa4df5bfec328b137e8fde867ea65c741
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0822642b8d6dbfb5bc05d7178bfcd38166f6edc4a5ccf79eacb103c932142960
[INFO] running `Command { std: "docker" "start" "-a" "0822642b8d6dbfb5bc05d7178bfcd38166f6edc4a5ccf79eacb103c932142960", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling polynomial v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "0822642b8d6dbfb5bc05d7178bfcd38166f6edc4a5ccf79eacb103c932142960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0822642b8d6dbfb5bc05d7178bfcd38166f6edc4a5ccf79eacb103c932142960", kill_on_drop: false }`
[INFO] [stdout] 0822642b8d6dbfb5bc05d7178bfcd38166f6edc4a5ccf79eacb103c932142960
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83b6e5d6f5428e73c34da286c1370e9fe7b51625ae6ef671ef4302400245c95c
[INFO] running `Command { std: "docker" "start" "-a" "83b6e5d6f5428e73c34da286c1370e9fe7b51625ae6ef671ef4302400245c95c", kill_on_drop: false }`
[INFO] [stderr]    Compiling polynomial v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "83b6e5d6f5428e73c34da286c1370e9fe7b51625ae6ef671ef4302400245c95c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83b6e5d6f5428e73c34da286c1370e9fe7b51625ae6ef671ef4302400245c95c", kill_on_drop: false }`
[INFO] [stdout] 83b6e5d6f5428e73c34da286c1370e9fe7b51625ae6ef671ef4302400245c95c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 40059f683f54a3b64903a739e88c0eb5b9edab74afc11396661d83c9401288fb
[INFO] running `Command { std: "docker" "start" "-a" "40059f683f54a3b64903a739e88c0eb5b9edab74afc11396661d83c9401288fb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/polynomial-09a277068ac30f2b)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::lagrange ... ok
[INFO] [stdout] test tests::chebyshev ... ok
[INFO] [stdout] test tests::neg_add_sub ... ok
[INFO] [stdout] test tests::pretty ... ok
[INFO] [stdout] test tests::eval ... ok
[INFO] [stdout] test tests::new ... ok
[INFO] [stdout] test tests::mul ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polynomial
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - Polynomial<T>::new (line 40) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<T>::eval (line 157) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<T>::chebyshev (line 116) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial<T>::lagrange (line 66) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.82s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "40059f683f54a3b64903a739e88c0eb5b9edab74afc11396661d83c9401288fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40059f683f54a3b64903a739e88c0eb5b9edab74afc11396661d83c9401288fb", kill_on_drop: false }`
[INFO] [stdout] 40059f683f54a3b64903a739e88c0eb5b9edab74afc11396661d83c9401288fb